Cityfile: New York's Most Notable and Influential

Spotted | Adrien Brody talking on his cell phone in the East Village ... Mark Ronson having lunch at Da Silvano with his sister Samantha and Q-Tip ... Ashlee Simpson carrying son Bronx outside their hotel in Midtown ... Kate Hudson getting out of a taxi on Mercer Street ... Brad Pitt leaving the Standard Hotel ... Chace Crawford and 50 Cent hanging out on the set of Twelve ... Michelle Williams and Spike Jonze playing with Matilda in Brooklyn ... Ryan Gosling getting out of a cab ... America Ferrera shooting scenes for Ugly Betty ... Kim Kardashian going into Butter ... and Madonna leaving dinner at Nobu 57.

Happy Birthday | Hockey's reigning bad boy Sean Avery turns 29 today. Mandy Moore is 25. Haley Joel Osment is turning 21. Kenneth "Babyface" Edmonds 51. John Madden turns 73. Q-Tip turns 39. Actress Laura Bell Bundy is 28. Writer Paul Theroux is turning 68. Editor Kate Medina is 66. And Steven Seagal is 57. Weekend birthdays below!More

1) At the New York premiere of spy thriller Traitor at the Regal Union Square last night, the film's stars Don Cheadle, Guy Pearce, Said Taghmaoui, and Mozhan Marno walked the red carpet along with director Jeffrey Nachmanoff, Busta Rhymes, Jesse Williams, Estelle, Aubrey O'Day, and Nicole Miller. [NYO/Wireimage]

2) Further downtown mayhem surrounded the opening of the Nike sportswear store at 21 Mercer Street: Giant electronic billboards and a marching band heralded the arrival of Roger Federer, Maria Sharapova, and Serena Williams, who were joined by Mark Ronson (who DJed), Annabelle Dexter-Jones, Spike Lee, Katy Perry, Richie Akiva, Q-Tip, Justin Theroux, Alan Cumming, Cory Kennedy, Lily Cole, Alexander Wang, and many others. [Teen Vogue/PMc]More